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The first ionisation enthalpies of the a...

The first ionisation enthalpies of the alkline earth metals are higher than that of alkali metals but second ionisation ethalpies are smaller, why?

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This is due to their smaller size as compared to the corresponding alkali metal.
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AAKASH INSTITUTE ENGLISH-THE S-BLOCK ELEMENTS-Try Yourself
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  7. How Beryllium chloride is prepared?

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  9. Which metal is used to remove air from vacuum tube?

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  10. Why alkaline earth metal oxides are quite stable?

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  11. Explain the trends in the solubility of carbonates , sulphates and hyd...

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  14. Anomalous Behaviour Of Beryllium

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  16. What is slaking of lime?

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  17. Quick lime combines with which type of oxides?

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  18. What happens when carbon dioxide is passed through lime water?

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  19. Why calcium hydroxide is used in white washing?

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